How to Restrict a Website using Firefox

Firefox requires an add-on to restrict sites. You can find many good ones at Mozilla.org. The best one is BlockSite.
Here is How:

In Firefox, click Tools

Click Add-ons

Click Get Add-ons

Choose Browse All Add-ons.

Type blocksite in the search bar. After installing the add-on you will be able to block sites with just a few clicks.

How to block a Website using Google Chrome

Open your Chrome Web Browser

Click the wrench symbol in he upper right corner.

Choose Options

Click Under the Hood tab.

Go down to the Network. Choose Change Proxy Settings.

Click Security, click Restricted Sites

Double click Sites and add the site you want block

How to Block A Website in All Web Browsers

This action will require you to edit your Host file. Your host file is a computer file used to store information on where to find a node on a computer network. For Video Instructions, Click Here.

In Windows XP/Vista/Win7/Win8

Click Start->All Programs->Accessories->Command Prompt.

Click Command Prompt This will open a DOS command window.

Type: notepad C:/Windows/System32/ drivers/etc/hosts

Locate the line 127.0.0.1 localhost

To block the website google.com for example, just add this text under 127.0.0.1 localhost:

127.0.0.1 google.com
127.0.0.1 www.google.com

You can add as many sites any site, However you will need to prefix it with “127.0.0.1”.

Save the file
Google.com will now be blocked in all web browser. This is an advanced but easy method on how to blow a website.

How to Block a Website with a Router

If you want to block a website for all users that have an access to the internet on a particular network. You can do this by altering your router settings. This means that the website will be blocked at the router level. Any devices connected to this router will not have access to the block sites. The is often the best solution for employers outside of using software solutions. Here is how to to achieve this. You will need your router IP address to achieve this or access to the router through it’s system settings. Router brands have specific IPs. Linksys uses 192.168.1.1. Check out your router manufacturer’s materials.Enter your router IP address into your browsers address bar. Click Enter.
Depending on your router, the method may be different. Click Security settings > parental control options > website restrictions.Enter the website URL address that you would like to block.
You will have a parental control option in your router settings. Click this and then go to access restrictions.To Learn How to Block a Website, Block Porn and Restrict Internet Usage with MAC and Windows Parental Controls, Click Here to Learn More.